package com.wei.config;

import com.alibaba.fastjson.support.spring.GenericFastJsonRedisSerializer;
import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;


/**
 * CacheProperties这个配置类<< @ConfigurationProperties(prefix = "spring.cache") >>
 * 是SpringCache里绑定我们配置文件的配置类
 * 将他引入进来直接读取配置文件里的一些缓存的配置即可
 */
@EnableConfigurationProperties(CacheProperties.class)
@Configuration
public class MyCacheConfig {

    @Bean
    RedisCacheConfiguration redisCacheConfiguration(CacheProperties cacheProperties) {
        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();
        config = config.serializeKeysWith(
                RedisSerializationContext
                        .SerializationPair
                        .fromSerializer(new StringRedisSerializer())
        );
        config = config.serializeValuesWith(
                RedisSerializationContext
                        .SerializationPair
                        .fromSerializer(new GenericFastJsonRedisSerializer())
        );
        CacheProperties.Redis redisProperties = cacheProperties.getRedis();
        if (redisProperties.getTimeToLive() != null) {
            config = config.entryTtl(redisProperties.getTimeToLive());
        }
        if (redisProperties.getKeyPrefix() != null) {
            config = config.prefixCacheNameWith(redisProperties.getKeyPrefix());
        }
        if (!redisProperties.isCacheNullValues()) {
            config = config.disableCachingNullValues();
        }
        if (!redisProperties.isUseKeyPrefix()) {
            config = config.disableKeyPrefix();
        }
        return config;
    }

}
